About the CSS files

The exercise files for this course includes a small CSS file called main.css.…This same CSS file is used for many of my HTML5 application technology courses.…Let's take a look at this file.…This file is based on the colors from the Explore California web site…that's used in some of the other HTML5 courses on the lynda.com Online Training Library.…It starts with a reset for a lot of the common HTML elements.…

It sets some defaults for body, it has a class for the color red, classes for…messages and errors, a class that sets up the content box, and sets some…defaults for the header elements.…bwTable is not used in this course but these are classes for formatting tables…for displaying tabular information in some of my other courses.…Finally, there are some defaults for form elements.…Again, this is used in some of the other courses;…it's not used in this course.…

As always, feel free to use this CSS file as a starting place for your…own projects.…

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Author

Released

8/5/2011

This course describes how to use the HTML5 Session History application programming interface to present bookmark-friendly URLs while updating parts of a page and preventing unnecessary network activity. Author Bill Weinman shows how to manipulate history by adding entries to the stack, visibly changing the URL in the address bar, and removing entries when the user presses the back or forward buttons, all without reloading the web page. The course uses practical examples that can be applied to most web sites, and also shows how to detect support for the History API in browsers and how to handle exceptions.